pona mute. Apparently 'sin ala' is not so good for "old' in the sense of "aged many years", but I think it is too deeply ingrained to be a problem.'pilin e monsuta' "feel fear but the meaning of 'monsuta', "monster" is not too clear yet beyond that basic, is it "fearsome" or "fearful", for example. I suspect, if it means "fearful", the best way of saying this is just 'li monsuta; or 'li monsuat pilin', but this need some work yet.'mi o seme', a question imperative or hortative seems odd. Surely, just the question is enough 'mi seme?' or (to be clear) 'mi pali seme?' (or maybe 'mi seme pali?'"beast white stone"? or 'mi tu''soweli pi ma pi kasi suli' is maybe some sort of monkey, which may be 'jan' (but that is confusing).